Home / 10,365,590.30-15,548,385.45-5,326,742.30

Finding the Fourth Proportional to 10,365,590.30, 15,548,385.45 and 5,326,742.30

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Solution

The fourth proportional to 10,365,590.30, 15,548,385.45 and 5,326,742.30 is: 7,990,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,590.30 : 15,548,385.45 = 5,326,742.30 : x
  2. Step 2: Convert to fraction form
    10,365,590.30/15,548,385.45 = 5,326,742.30/x
  3. Step 3: Cross multiply
    10,365,590.30x = 15,548,385.45 × 5,326,742.30
  4. Step 4: Simplify right side
    10,365,590.30x = 82,822,242,473,219.53
  5. Step 5: Solve for x
    x = 82,822,242,473,219.53/10,365,590.30
  6. Step 6: Final answer
    x = 7,990,113.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.